Disseminated Pneumocystis carinii infection in a patient with acquired immunodeficiency syndrome.

Pneumocystis carinii, a frequent cause of pneumonia in immunocompromised patients, rarely disseminates to involve other organs. This report describes a patient with acquired immunodeficiency syndrome and pneumocystis pneumonia in whom extrapulmonary P. carinii infection was diagnosed on duodenal and esophageal endoscopic biopsy specimens. Autopsy revealed dissemination to multiple organs.